Marc Roberts (born Seán Hegarty; 25 June 1968) is an Irish singer, best known for representing Ireland in the Eurovision Song Contest in 1997.
His song, "Mysterious Woman", finished in second place and reached number two on the Irish Singles Chart.
He is originally from Crossmolina, County Mayo, and now based in Galway, where he presents a local radio show as well as continuing his singing career.